Based on IPC-2152 Standard for Accurate PCB Design
Absolute minimum for operation
Optimal for reliable operation
Conservative with safety margin
Temperature Rise: 10°C
Layer Type: Inner Layer
W = (I / (k × ΔT^b))^(1/c) × A
Where:
Inner Layer: k=0.024, b=0.44, c=0.725
Outer Layer: k=0.048, b=0.44, c=0.725
Minimum: Calculated width × 1.0
Recommended: Calculated width × 1.5
Maximum Safe: Calculated width × 2.0
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